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TESTS: Add a simple test to check that a target survives huge imemdiate data

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Signed-off-by: Ronnie Sahlberg <ronniesahlberg@gmail.com>
This commit is contained in:
Ronnie Sahlberg
2012-10-24 21:19:27 -07:00
parent 97dcf94d72
commit b700d44f03
5 changed files with 158 additions and 2 deletions
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3
Makefile.am
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@@ -143,7 +143,8 @@ bin_iscsi_test_SOURCES = test-tool/iscsi-test.c \
\
test-tool/1000_cmdsn_invalid.c \
test-tool/1010_datasn_invalid.c \
test-tool/1020_bufferoffset_invalid.c
test-tool/1020_bufferoffset_invalid.c \
test-tool/1030_unsolicited_data_overflow.c
endif

2
test-tool/1020_bufferoffset_invalid.c
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@@ -65,7 +65,7 @@ int T1020_bufferoffset_invalid(const char *initiator, const char *url, int data_
struct scsi_task *task;
struct scsi_readcapacity16 *rc16;
int ret, lun;
unsigned char data[block_size * 256];
unsigned char data[4096 * 256];
struct iscsi_async_state test_state;
printf("1020_bufferoffset_invalid:\n");

150
test-tool/1030_unsolicited_data_overflow.c Normal file
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@@ -0,0 +1,150 @@
/*
Copyright (C) 2012 by Ronnie Sahlberg <ronniesahlberg@gmail.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#include <stdio.h>
#include <stdlib.h>
#include <arpa/inet.h>
#include "iscsi.h"
#include "iscsi-private.h"
#include "scsi-lowlevel.h"
#include "iscsi-test.h"
uint32_t block_size;
static void test_cb(struct iscsi_context *iscsi _U_, int status,
void *command_data _U_, void *private_data)
{
struct scsi_task *task = command_data;
struct iscsi_async_state *state = private_data;
state->finished = 1;
state->status = status;
if (status) {
task->status = status;
}
}
int T1030_unsolicited_data_overflow(const char *initiator, const char *url, int data_loss, int show_info)
{
struct iscsi_context *iscsi, *iscsi2;
struct scsi_task *task;
struct scsi_readcapacity16 *rc16;
int ret, lun;
unsigned char *buf = NULL;
struct iscsi_async_state test_state;
uint32_t old_first_burst_len;
printf("1030_unsolicited_data_overflow:\n");
printf("===============================\n");
if (show_info) {
printf("Test sending command with way more unsolicited data than the target supports\n");
printf("1, Send HUGE unsolicited data to the target.\n");
printf("2, Verify the target is still alive\n");
printf("\n");
return 0;
}
iscsi = iscsi_context_login(initiator, url, &lun);
if (iscsi == NULL) {
printf("Failed to login to target\n");
return -1;
}
/* find the size of the LUN */
task = iscsi_readcapacity16_sync(iscsi, lun);
if (task == NULL) {
printf("Failed to send READCAPACITY16 command: %s\n", iscsi_get_error(iscsi));
ret = -1;
goto finished;
}
if (task->status != SCSI_STATUS_GOOD) {
printf("READCAPACITY16 command: failed with sense. %s\n", iscsi_get_error(iscsi));
ret = -1;
scsi_free_scsi_task(task);
goto finished;
}
rc16 = scsi_datain_unmarshall(task);
if (rc16 == NULL) {
printf("failed to unmarshall READCAPACITY16 data. %s\n", iscsi_get_error(iscsi));
ret = -1;
scsi_free_scsi_task(task);
goto finished;
}
block_size = rc16->block_length;
scsi_free_scsi_task(task);
if (!data_loss) {
printf("--dataloss flag is not set. Skipping test\n");
ret = -2;
goto finished;
}
ret = 0;
iscsi->use_immediate_data = ISCSI_IMMEDIATE_DATA_YES;
old_first_burst_len = iscsi->first_burst_length;
/* make first burst REAL big */
iscsi->first_burst_length *= 16;
buf = malloc(iscsi->first_burst_length);
printf("Write too much unsolicited data ... ");
/* we dont want autoreconnect since some targets will drop the session
* on this condition.
*/
iscsi_set_noautoreconnect(iscsi, 1);
// 102400 -- 1024000
task = iscsi_write16_task(iscsi, lun, 0, buf,
iscsi->first_burst_length, block_size,
0, 0, 0, 0, 0,
test_cb, &test_state);
if (task == NULL) {
printf("[FAILED]\n");
printf("Failed to send WRITE16 command: %s\n", iscsi_get_error(iscsi));
ret++;
goto test2;
}
test_state.task = task;
test_state.finished = 0;
test_state.status = 0;
wait_until_test_finished(iscsi, &test_state);
printf("[OK]\n");
test2:
printf("Verify the target is still alive ... ");
iscsi2 = iscsi_context_login(initiator, url, &lun);
if (iscsi2 == NULL) {
printf("[FAILED]\n");
printf("Target is dead?\n");
ret = -1;
goto finished;
}
printf("[OK]\n");
finished:
if (buf) {
free(buf);
}
iscsi_destroy_context(iscsi);
iscsi_destroy_context(iscsi2);
return ret;
}

3
test-tool/iscsi-test.c
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@@ -234,6 +234,9 @@ struct scsi_test tests[] = {
/* invalid bufferoffset from initiator */
{ "T1020_bufferoffset_invalid", T1020_bufferoffset_invalid },
/* sending too much unsolicited data */
{ "T1030_unsolicited_data_overflow", T1030_unsolicited_data_overflow },
{ NULL, NULL }
};

2
test-tool/iscsi-test.h
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@@ -178,3 +178,5 @@ int T0424_reserve6_target_reset(const char *initiator, const char *url, int data
int T1000_cmdsn_invalid(const char *initiator, const char *url, int data_loss, int show_info);
int T1010_datasn_invalid(const char *initiator, const char *url, int data_loss, int show_info);
int T1020_bufferoffset_invalid(const char *initiator, const char *url, int data_loss, int show_info);
int T1030_unsolicited_data_overflow(const char *initiator, const char *url, int data_loss, int show_info);